Stackable chair



FIG. 1 is a front right side isometric view of a stackable chair in accordance with the new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front right side isometric view of the stackable chair in a folded position;

FIG. 9 is a right side elevational view according to FIG. 8;

FIG. 10 is a front elevational view according to FIG. 8; and,

FIG. 11 is a front right side isomeric view of the stackable chair with a second arm rest.

The broken lines shown in FIGS. 1-11 are for the purpose of illustrating portions of the stackable chair that form no part of the claimed design. 

CLAIM The ornamental design for a stackable chair, as shown and described. 